diff --git a/README.md b/README.md
index 567c605..c93f244 100644
--- a/README.md
+++ b/README.md
@@ -7,9 +7,9 @@
 
 **Requires at least:** 3.0
 
-**Tested up to:** 6.1
+**Tested up to:** 6.4.2
 
-**Stable tag:** 2.2.3
+**Stable tag:** 2.2.4
 
 **License:** GPLv2 or later (of-course)
 
diff --git a/nginx-helper.php b/nginx-helper.php
index 915f9ab..5183a38 100644
--- a/nginx-helper.php
+++ b/nginx-helper.php
@@ -9,7 +9,7 @@
  * Text Domain:       nginx-helper
  * Domain Path:       /languages
  * Requires at least: 3.0
- * Tested up to:      6.4
+ * Tested up to:      6.4.2
  *
  * @link              https://rtcamp.com/nginx-helper/
  * @since             2.0.0
diff --git a/readme.txt b/readme.txt
index 4ac2451..897dc2b 100644
--- a/readme.txt
+++ b/readme.txt
@@ -5,8 +5,8 @@ Tags: nginx, cache, purge, nginx map, nginx cache, maps, fastcgi, proxy, redis,
 License: GPLv2 or later (of-course)
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 Requires at least: 3.0
-Tested up to: 6.1
-Stable tag: 2.2.3
+Tested up to: 6.4.2
+Stable tag: 2.2.4
 
 Cleans nginx's fastcgi/proxy cache or redis-cache whenever a post is edited/published. Also does a few more things.